In 'Whose Heart Is It, Anyway?', players take on the role of an eccentric heart-swapper named Felix, who finds themselves in a chaotic world where the hearts of individuals can be exchanged at will. Each heart carries unique emotions, memories, and abilities, which Felix can use to unravel the mysteries of a hidden conspiracy threatening the fabric of their quirky society. As players navigate through richly woven narratives and interact with peculiar characters, they must solve puzzles, make moral decisions, and ultimately determine whose heart is essential to save the day—while keeping their own heart intact. The choices players make will lead to unexpected outcomes, revealing the intricate connections between people, their feelings, and the very essence of humanity.